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United States Patent | 5,246,784 |
Fuchs ,   et al. | September 21, 1993 |
Ultrathin thermostable bismaleimide films are produced by converting Langmuir-Blodgett layers of ionic precursors based on bismaleamide.
Inventors: | Fuchs; Harald (Carlsberg, DE); Licht; Ulrike (Mannheim, DE); Schrepp; Wolfgang (Heidelberg, DE) |
Assignee: | BASF Aktiengesellschaft (Ludwigshafen, DE) |
Appl. No.: | 769439 |
Filed: | October 1, 1991 |
Oct 09, 1990[DE] | 4032004 |
Current U.S. Class: | 428/473.5; 257/E21.265; 427/340; 427/385.5; 428/220 |
Intern'l Class: | B32B 027/00; B05D 003/04 |
Field of Search: | 427/340,385.5 428/473.5 |
4393214 | Jul., 1990 | Imai et al. | 546/345. |
4868281 | Sep., 1989 | Uekita et al. | 528/353. |
4987219 | Jan., 1991 | Uekita et al. | 528/353. |
Foreign Patent Documents | |||
239980 | Oct., 1987 | EP. | |
246602 | Nov., 1987 | EP. | |
251072 | Jan., 1988 | EP. |
"Molecular Engineering using the Langmuir . . . " Petty, Polymer Surfaces and Interfaces, 1987, John Wiley & Sons Ltd., 163-187. Chem. Abst. JP 208946/86. |